Finding the Fourth Proportional to 2,210.61, 3,311.67 and 1,772.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.61 : 3,311.67 = 1,772.82 : x
2. Step 2: Convert to fraction form
   2,210.61/3,311.67 = 1,772.82/x
3. Step 3: Cross multiply
   2,210.61x = 3,311.67 × 1,772.82
4. Step 4: Simplify right side
   2,210.61x = 5,870,994.81
5. Step 5: Solve for x
   x = 5,870,994.81/2,210.61
6. Step 6: Final answer
   x = 2,655.83